Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍,世界各地的人都可以很自由地欣赏文学作品。
and one odd finding that makes the problem puzzling is that it looks very much as if sleeping is not simply a matter of giving the body a rest.
一项使人对这个问题感到困惑的奇怪的发现是,睡眠在很大程度似乎并不仅仅是为了使身体得到休息。